content: /*
   * Copyright (C) 2016 Jake Wharton
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package hu.akarnokd.rxjava3.retrofit;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.disposables.Disposable;
  import io.reactivex.rxjava3.exceptions.*;
  import io.reactivex.rxjava3.plugins.RxJavaPlugins;
  import retrofit2.Response;
  
  final class ResultObservable<T> extends Observable<Result<T>> {
    private final Observable<Response<T>> upstream;
  
    ResultObservable(Observable<Response<T>> upstream) {
      this.upstream = upstream;
    }
  
    @Override protected void subscribeActual(Observer<? super Result<T>> observer) {
      upstream.subscribe(new ResultObserver<>(observer));
    }
  
    private static class ResultObserver<R> implements Observer<Response<R>> {
      private final Observer<? super Result<R>> observer;
  
      ResultObserver(Observer<? super Result<R>> observer) {
        this.observer = observer;
      }
  
      @Override public void onSubscribe(Disposable disposable) {
        observer.onSubscribe(disposable);
      }
  
      @Override public void onNext(Response<R> response) {
        observer.onNext(Result.response(response));
      }
  
      @Override public void onError(Throwable throwable) {
        try {
          observer.onNext(Result.<R>error(throwable));
        } catch (Throwable t) {
          try {
            observer.onError(t);
          } catch (Throwable inner) {
            Exceptions.throwIfFatal(inner);
            RxJavaPlugins.onError(new CompositeException(t, inner));
          }
          return;
        }
        observer.onComplete();
      }
  
      @Override public void onComplete() {
        observer.onComplete();
      }
    }
  }
  